Login to IRIS OpenSpace below and navigate into the folder location you wish to upload the file to:
Click the Upload button in the toolbar
Click Browse and find the file (or files) you wish to upload
Select the file (or files) and click Open
The upload will then start automatically
Please note the time it takes to upload a file is dependent on the upload speed of your internet connection which may be considerably slower than your download speed on a typical residential ADSL line.